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FOOT OF GRAND CANYON FROM BELOW COLORADO RIVER TRIANGULATION STATION NARA .tif Scope and content General notes Local identifier WA Smithsonian Institution NARAAuthor O'Sullivan Timothy Photographer File FOOTOFGRANDCANYONFROMBELOW COLORADORIVER TRIANGULATIONSTATIONNARA tif tif File FOOTOFGRANDCANYONFROMBELOW COLORADORIVER TRIANGULATIONSTATIONNARA